<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script src="https://cdn.jsdelivr.net/npm/vue@2.6.10/dist/vue.js"></script>
</head>
<body>
    <div id="app">
        <component :is="view"></component>
        <button @click="changeComponent">切换</button>
    </div>
    <script>
       var mycomponent ={
           template:"<div>mycompnent</div>",
       }
       var mycomponent2 ={
           template:"<div>mycompnent2</div>",
       }


    Vue({
      el:"#app"

    })
    
    </script>
</body>
</html>